dridex | 4d104a1420fa28b42eac3a3c1b4ff5c711e0e6476967a69fadc68bd3af2aa0d8

Analysis

max time kernel
35s
max time network
43s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:09

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General

Target

4d104a1420fa28b42eac3a3c1b4ff5c711e0e6476967a69fadc68bd3af2aa0d8.dll
Size

157KB
MD5

46a1092cd0d5b484d5790a52c6110f20
SHA1

494581e340999cdca7a8d9cab5c481328561c384
SHA256

4d104a1420fa28b42eac3a3c1b4ff5c711e0e6476967a69fadc68bd3af2aa0d8
SHA512

a436e59df4eac99faf16ef5e5401d2465236126c6d5e7f7b5e289619f254d4924d2609368fc9821c4dea5dcf2e30b697fab777e647897b4c449c780dc407b7e8

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/4028-115-0x00000000735E0000-0x000000007360D000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3968 wrote to memory of 4028	3968	rundll32.exe	rundll32.exe
PID 3968 wrote to memory of 4028	3968	rundll32.exe	rundll32.exe
PID 3968 wrote to memory of 4028	3968	rundll32.exe	rundll32.exe

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d104a1420fa28b42eac3a3c1b4ff5c711e0e6476967a69fadc68bd3af2aa0d8.dll,#1
1⤵
- Checks whether UAC is enabled
PID:4028

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d104a1420fa28b42eac3a3c1b4ff5c711e0e6476967a69fadc68bd3af2aa0d8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3968

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4028-114-0x0000000000000000-mapping.dmp

Download
memory/4028-115-0x00000000735E0000-0x000000007360D000-memory.dmp

Filesize
180KB

Download
memory/4028-117-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download